B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
Introduced: September 1968
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
Description
B41J encompasses typewriters and selective printing mechanisms that produce characters or images without relying on pre-formed printing surfaces (formes). This subclass covers impact printers, inkjet systems, thermal printers, and similar technologies that generate output through direct character selection and printing. The class also includes mechanical and electronic systems for correcting typographical errors, such as correction tape mechanisms and backspace functions. Adjacent classes B41B (printing presses) and B41K (printing accessories) address forme-based printing and supplementary equipment, respectively, distinguishing B41J's focus on selective, direct-strike printing technologies.
Additional Content
Machines for printing and issuing tickets
Related Keywords
20 direct subcodes
Child Classifications
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- B41J 1/00 Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies
- B41J 11/00 Devices or arrangements for supporting or handling copy material in sheet or web form
- B41J 13/00 Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J 15/00 Devices or arrangements specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J 17/00 Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
- B41J 19/00 Character- or line-spacing mechanisms
- B41J 2/00 Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J 21/00 Column, tabular or like printing arrangements; Means for centralising short lines
- B41J 23/00 Power drives for actions or mechanisms
- B41J 25/00 Actions or mechanisms not otherwise provided for
- B41J 27/00 Inking apparatus
- B41J 29/00 Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J 3/00 Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J 31/00 Ink ribbons; Renovating or testing ink ribbons
- B41J 32/00 Ink-ribbon cartridges
- B41J 33/00 Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J 35/00 Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
- B41J 5/00 Devices or arrangements for controlling character selection
- B41J 7/00 Type-selecting or type-actuating mechanisms
- B41J 9/00 Hammer-impression mechanisms
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 14,672
- CANON 14,153
- RICOH COMPANY 8,049
- SEIKO EPSON CORPORATION JP 8,044
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
- BROTHER INDUSTRIES 6,887
- KYOCERA DOCUMENT SOLUTIONS 5,463
- CANON JP 5,001
- KONICA MINOLTA CORPORATION 4,512
- BROTHER INDUSTRIES JP 3,681